.left-bar {
    position: fixed;
    height: 100%;
    overflow: hidden;
    background: #555;
    color: #fff;
    font-size: 18rem;
    margin-top: 50px;
    width: 15%;
}

.top-bar {
    background: #555;
    width: 100%;
    position: fixed;
    height: 50px;
    z-index: -1;
}

.right-box {
    position: relative;
    float: left;
    margin-top: 50px;
    width: 85%;
    margin-left: 15%;
    z-index: -2;
}

.left-bar ul {
    list-style: none;
    padding: 0;
    width: 100%;
}

.left-bar li {
    padding: 1rem 0;
    text-align: center;
}

ul .active {
    background: #F2F2F2;
    color: #000;
}

.login-link {
    display: inline-block;
    float: right;
    color: #fff;
    line-height: 50px;
    margin: 0 20px;
    text-decoration-line: none;
}

.avatar-box {
    text-align: center;
}

.avatar-box > img {
    width: 80px;
    height: 80px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    border-radius: 5px;
}

.avatar-box > p {
    font-size: 12px;
}

.modal-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
}

.modal-box {
    position: fixed;
    top: 50px;
    left: 25%;
    width: 50%;
    height: 360px;
    padding: 15px;
    background: #fff;
    overflow: scroll;
    z-index: 1001;
    border-radius: 10px;
}